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-rw-r--r--include/common.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h
index 170f439..1d0728f 100644
--- a/include/common.h
+++ b/include/common.h
@@ -870,6 +870,18 @@ int cpu_disable(int nr);
int cpu_release(int nr, int argc, char * const argv[]);
#endif
+/* Define a null map_sysmem() if the architecture doesn't use it */
+# ifndef CONFIG_ARCH_MAP_SYSMEM
+static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
+{
+ return (void *)(uintptr_t)paddr;
+}
+
+static inline void unmap_sysmem(const void *vaddr)
+{
+}
+# endif
+
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_PPC